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  '64 1/2 to '73 -- The Classic Mustang
  '65 6 cyl. to V8 conversion

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Author Topic:   '65 6 cyl. to V8 conversion
itlbrnmoff
Gearhead

Posts: 907
From: Indianapolis,IN.USA
Registered: Nov 2002

posted 11-16-2002 09:21 PM     Click Here to See the Profile for itlbrnmoff   Click Here to Email itlbrnmoff     Edit/Delete Message   Reply w/Quote
A while back,I was seriously interested in buying a project '65 Stang for cheap.It had a 6 banger and I knew I would retire that for sure...I got to looking under the hood...where's the engine crossmember? This might sound stooopid to a classic builder...but what is involved in the V8 swap? Do I have to find a V8 crossmember? Surely the engine doesn't just bolt up to the chassis sides...I passed on the car because I want more than a sixer...

Can anyone shed some light on this subject?


Dumb Hoosier...

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1983 Mustang GT T-tops
306 cid T-5 3.45 gear
under construction
No traction devices
A cool Ford Racing Hat...

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soaring
Gearhead

Posts: 116
From: New Mexico
Registered: Nov 2002

posted 11-16-2002 09:55 PM     Click Here to See the Profile for soaring   Click Here to Email soaring     Edit/Delete Message   Reply w/Quote
need to upgrade your engine compartment to host teh V8. Also try to get the tranny with the engine you want to use. It'll save you a lot of bucks and headaches later.

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RADRIDE
Gearhead

Posts: 243
From: Va.Beach, Va.
Registered: Aug 2002

posted 11-16-2002 09:55 PM     Click Here to See the Profile for RADRIDE   Click Here to Email RADRIDE     Edit/Delete Message   Reply w/Quote
It would just bolt up,but to do it right is a little more complacated ,not hard but you need to replace the whole suspension.Ive done mine with a 289 and t-5 and we did a friends with a 351w and auto.All 6cyl Mustangs are just future V-8 Mustangs.One good point is 6cyl. cars tend to have had less wear and tear than a factory V-8 car over the last 30+ years.

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itlbrnmoff
Gearhead

Posts: 907
From: Indianapolis,IN.USA
Registered: Nov 2002

posted 11-16-2002 10:26 PM     Click Here to See the Profile for itlbrnmoff   Click Here to Email itlbrnmoff     Edit/Delete Message   Reply w/Quote
Bolt up to what??
The sides of the shock towers??
On the 6 cyl. I didn't see any crossmember...

But thanks for the input...

quote:
Originally posted by RADRIDE:
It would just bolt up,but to do it right is a little more complacated ,not hard but you need to replace the whole suspension.Ive done mine with a 289 and t-5 and we did a friends with a 351w and auto.All 6cyl Mustangs are just future V-8 Mustangs.One good point is 6cyl. cars tend to have had less wear and tear than a factory V-8 car over the last 30+ years.

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1983 Mustang GT T-tops
306 cid T-5 3.45 gear
under construction
No traction devices
A cool Ford Racing Hat...

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amartin725
Gearhead

Posts: 104
From: Attleboro, MA
Registered: Nov 2000

posted 11-16-2002 11:22 PM     Click Here to See the Profile for amartin725     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by RADRIDE:
.....All 6cyl Mustangs are just future V-8 Mustangs.....

Umm....I tend to completely DISAGREE.

Al

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mustangboy
Gearhead

Posts: 670
From: Ont, Canada
Registered: Mar 2002

posted 11-16-2002 11:23 PM     Click Here to See the Profile for mustangboy     Edit/Delete Message   Reply w/Quote
Yes the motormounts just bolt to the bottoms of the shock towers.They don't really have a crossmember like a late model mustang just a brace bolted underneath the engine from side to side.You'll want to upgrade the brakes right away as the little drum brakes on the 6 bangers suck.An 8 or an 9 inch rear end from a donor car is also a must.Its lots of work but its worth it if you can get a good deal on a 6 cyl car.

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Moneymaker
Administrator

Posts: 19751
From: Lyons, IL, USA
Registered: May 99

posted 11-17-2002 12:47 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
See my answer on Sam's. I have frame mounts and brackets.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"

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soaring
Gearhead

Posts: 116
From: New Mexico
Registered: Nov 2002

posted 11-17-2002 03:45 AM     Click Here to See the Profile for soaring   Click Here to Email soaring     Edit/Delete Message   Reply w/Quote
it appears you are not getting any definitive answers with these postings. I'll post you back tomorrow to give you a more definitive answer after a good night's sleep. Basically you have to reconfigure your engine compartment to host the new V8 as opposed to the I6. And the transmission and linkages need to be reconfigured.

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itlbrnmoff
Gearhead

Posts: 907
From: Indianapolis,IN.USA
Registered: Nov 2002

posted 11-17-2002 07:51 AM     Click Here to See the Profile for itlbrnmoff   Click Here to Email itlbrnmoff     Edit/Delete Message   Reply w/Quote
Looks like I better get that welder I've been needing...
Maybe start reading about classics instead of 5.0's...
There's nothing wrong with the '83 I have except for repairing the driver side floorpan from the leaky t-tops...
The only problem I have about the '83 is that they seem more suited to the younger generation,which makes me look like I'm in mid-life crisis...he-he-he

------------------
1983 Mustang GT T-tops
306 cid T-5 3.45 gear
under construction
No traction devices
A cool Ford Racing Hat...

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RADRIDE
Gearhead

Posts: 243
From: Va.Beach, Va.
Registered: Aug 2002

posted 11-17-2002 05:43 PM     Click Here to See the Profile for RADRIDE   Click Here to Email RADRIDE     Edit/Delete Message   Reply w/Quote
You will not need a welder.Everything is bolt in.There is no difference between 6cyl. and 8cyl. engine conpartments.If after I die someone wants to turn my car back to a 6 they can.If you can get a donor car thats half the battle.If not there are plenty of parts out there.Every time I upgrade I sell the old parts to someone that will help there cars.

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Moneymaker
Administrator

Posts: 19751
From: Lyons, IL, USA
Registered: May 99

posted 11-17-2002 08:35 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by soaring:
it appears you are not getting any definitive answers with these postings. I'll post you back tomorrow to give you a more definitive answer after a good night's sleep. Basically you have to reconfigure your engine compartment to host the new V8 as opposed to the I6. And the transmission and linkages need to be reconfigured.


What the hell kind of a remark is that?
It's a damned BOLT IN OPERATION for crying out loud. You don't have to reconfigure sh*t!

Read my three rules at the end of my signature!
The holes are already drilled in the shock towers to accept the V-8 frame mounts. Once you remove the straight six brackets and as long as you have the V-8 brackets and mounts, it's a bolt in. The six cylinder throttle linkage does crossover to the right side, but that can be overcome in many ways including a simple bolt in throttle cable from a Maverick.
Geeeze!

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00, '01, & '02
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"

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aGreenAgent
Gearhead

Posts: 139
From: Orange County, CA
Registered: Oct 2002

posted 11-18-2002 12:39 AM     Click Here to See the Profile for aGreenAgent     Edit/Delete Message   Reply w/Quote
I'm doing the same thing to my stang....try this site

http://www.geocities.com/MotorCity/3573/Special/6to8.htm

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68stang351
Gearhead

Posts: 267
From: Savoy TX, USA
Registered: Mar 2002

posted 11-19-2002 12:30 PM     Click Here to See the Profile for 68stang351   Click Here to Email 68stang351     Edit/Delete Message   Reply w/Quote
Add me to the list of "been there done that". My car was formerly host to a 200 and a 3 speed, but now has a 351W and a T5. It's not hard.

Like Alex said, new frame rail mounts bolt right in, then the new motor mounts. Suspension and brakes will not interefere, but when you try to stop, you'll want that swapped too! I have a hard time stopping.

But anyways, I'm 20, have never seriously worked on a car before this one, and I did the whole 6 to 8, 3 speed to 5 speed swap myself. Mine was also complicated with converting to late model reverse flow water pump and serpentine belt with the tensioner.

Its not as bad as everyone makes it out to be. If I can do it, I'm sure that anyone that wants to can.

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Hoofbeats are louder than Heartbeats!
68 Coupe, now with a 351W and 5speed.
Now officially dubbed "THE PIT"
New addition: 63 Fairlane 500!!

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